factor2.m

Version 1.0.0.0 (554 Bytes) by David Terr
factor2(n) returns the prime factorization of n as a k by 2 matrix.
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Updated 26 May 2004

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Given a nonnegative integer n, factor2(n) returns the prime factorization of n as a 2 by k matrix, with the k distinct prime factors in the left column and exponents in the right column.

Cite As

David Terr (2026). factor2.m (https://uk.mathworks.com/matlabcentral/fileexchange/4966-factor2-m), MATLAB Central File Exchange. Retrieved .

MATLAB Release Compatibility
Created with R12
Compatible with any release
Platform Compatibility
Windows macOS Linux
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Version Published Release Notes
1.0.0.0

I modified this program so that it sorts the prime factors by columns instead of by rows, allowing for more convenience, especially with large numbers. I also modified it so it now works with negative numbers as well.